Addition von Nucleophilen an 5-Desazaflavine,Teil 1 |
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Authors: | Hans-Jürgen Duchstein Helmut Fenner Werner Bauch |
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Abstract: | Addition of Nucleophiles to 5-Deazaflavins, Part 1 The reactivity of 5-deazaflavins and 5-deazaflaviniumsalts againts nucleophiles such as hydride-, dithionite-, sulfite- and cyanide ions as well as carbanions is described. The addition takes place in the 5-position and is in much cases reversible with acid. The title-compounds behave, as shown in photoreactions5), as “flavin-shaped nicotinamide models”. Side reactions and reoxidation of the adducts are discussed. |
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